INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b7db4a73e1f2dfc3a4338b7c74bf5c646f961af940793eb179a96385995663', 
    'Kkncn5S5wkSYeAFw26zzH5IanCMOSgHParCY6RLB6Ro=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)