UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xk+bcrY6mohmJepACoIntTfdKSPBJMt6CTLZmMz03QE=' 
WHERE 
  key_id = '91b3e702acb6e819b4bf4fac40a0298ce6ecd68d000599c307d6ef809df078b9' 
  AND (
    token = 'xk+bcrY6mohmJepACoIntTfdKSPBJMt6CTLZmMz03QE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )