INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f02718ca439b84948cc924ffd764cfcaaef888fa30f145f7421fbb9082fc4a', 
    'iELZgXxUHYVNO7qU+sSx0fFO+8x4NeB7XFpS2gljBUw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)