INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '511e53df508a841d34083eb5a109046815039ccd70f07ccdc42b872aced9faa3', 
    'cN7Jz/AVDiW4plrP7ZAmwofHhZpoDWRpfJ1p1tZzdpo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)