UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YnMikzlPzXhWr0h9Z+lIR3rVt4x76g7n0fVuxCRMQuo=' 
WHERE 
  key_id = '8751266a2a1ac9bf1179806e0d2a99623b11fbc0ad1251bb741d79bb4b4a7a4a' 
  AND (
    token = 'YnMikzlPzXhWr0h9Z+lIR3rVt4x76g7n0fVuxCRMQuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )