UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'snpGNZCepcKWek5p4M2MUYfDlMQmTdulPMftcM0j82s=' 
WHERE 
  key_id = 'd98936da2a725a62f6043e27aa645ce57852e1eebd5c4392e6442aa29970f8f0' 
  AND (
    token = 'snpGNZCepcKWek5p4M2MUYfDlMQmTdulPMftcM0j82s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030