UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E3gk9HoDpsvw8ROr33URWPj3iTmONJj2me6nnSCP5vg=' 
WHERE 
  key_id = '2e50d36933247663c1383ce7d1eb93a53687098ab07a508bc00340e00c8eddf5' 
  AND (
    token = 'E3gk9HoDpsvw8ROr33URWPj3iTmONJj2me6nnSCP5vg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )