UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kHrKMAWaC0Tm19xqh1+CwsU85gvsdbWdAgRzaEEdphY=' 
WHERE 
  key_id = '5c81cc87c3fc1886efe8fb2fefff26e50a524d2f267b03c8d749d947ce786029' 
  AND (
    token = 'kHrKMAWaC0Tm19xqh1+CwsU85gvsdbWdAgRzaEEdphY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )