INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68687819f5672726f0d139faeee3fa9fda59fe0f7e16b5686a34ad013f6d4811', 
    '2qpIzyoxCmPKHtqrm71OaSnrTuoj0d6OWLABE4pdKjI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)