UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lAk/0m1t+d41yfAtPpvsV0yHZKvr1fA3t8SU+HGuGWI=' 
WHERE 
  key_id = 'c6f51df545aeb23cdf350ec9717a3e7d2548560898d2d946049d6de5a4d11eb1' 
  AND (
    token = 'lAk/0m1t+d41yfAtPpvsV0yHZKvr1fA3t8SU+HGuGWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )