INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '838f6d00888b7d06e3e002f1e5ecd9b8b60fc688ac19b69fb052a4506ddd329e', 
    'GJ7mBoLatozEBYR1O0ZAtK0KgQN1jYcDbBSzmisdTLs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)