UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMKqa9vhqpfQyYS4UFp5DUYGugQWrQZQ1Gk3Mxkg4D8=' 
WHERE 
  key_id = '53521e1b61cbb0738caa9176859791869be858faa69e58e675939c97e2677df5' 
  AND (
    token = 'pMKqa9vhqpfQyYS4UFp5DUYGugQWrQZQ1Gk3Mxkg4D8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )