UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yBEko1R0tP47mnouY0ZKaBuFEnp50mpr+CpkE7R0Q68=' 
WHERE 
  key_id = 'a6fc3b1832106152f246885bff57aec33721f6b68087424c1bd5c882541ca036' 
  AND (
    token = 'yBEko1R0tP47mnouY0ZKaBuFEnp50mpr+CpkE7R0Q68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038