INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50a3facbedd557b88eff089170fc446ec56055ca819c295bd405d7663af74965', 
    'mj40S7abY6KWDLv4pndd2BfSHrXMsv0karMFbrznK0k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)