INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f21d7098405d5ff5dde4a222fe412d844e74afe982b2c30b9354cba1ecbe82f', 
    'C2u7O8bmNuIx1x+NThDjLSP1slx1WJRDqDtLYlf+kcg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)