UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QEeZ1aKXqinc4Zs4zjxru81/x1FCZer+/3LCfi0G0Dk=' 
WHERE 
  key_id = '91231e2eec849f0217eabe6ebb51a0de10fd68818262d19344180759b009f3f9' 
  AND (
    token = 'QEeZ1aKXqinc4Zs4zjxru81/x1FCZer+/3LCfi0G0Dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )