UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dpxk23ENKJceMGkr3AZpFEtqbeVL39Y+hu9DZszfJIk=' 
WHERE 
  key_id = '52c2ac3ee91c30328efb4dc359550011e16a040afeadbae93d486d4039f8d095' 
  AND (
    token = 'Dpxk23ENKJceMGkr3AZpFEtqbeVL39Y+hu9DZszfJIk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )