INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c74a1a15b57f9de7ef4caf2f6b02c0302b91bc57196b6c5fb5080361047916db', 
    'rMegZ0KDfvjT03PWuBlKzK61EiS47IEn9wmRf9v1bIY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)