UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZKMTm1i3eAEhL6M5BLeA0IeLhVMf+2xWeN8QPRq234E=' 
WHERE 
  key_id = 'c91ef6ae14010dd86b89680b2fce973c5c9952877db71951707e56416e3bc087' 
  AND (
    token = 'ZKMTm1i3eAEhL6M5BLeA0IeLhVMf+2xWeN8QPRq234E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )