INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8764c242fa14cf98c37d94be9cac94e39f422697828e346969ee4a319fe8120', 
    'D0LZi9Z3qS27I0D227D8eEAV4QrBHKjBMeeofGCcpKs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)