INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51598ec14d85df1c4073b060b681b891e1f6688568bcaba6ed6c9a12c8983f82', 
    'L71ljP2W0M+puYU78jJK9gztcJaTsfbLrp2Ib937M+Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)